H huanyong New Member Mar 23, 2004 #1 Sometimes one may think that it is troublesome to connect the cable between com port of the PC and the specific device. So why not we construct a RC circuitry at both side? The circuitry should provide rx and tx function.
Sometimes one may think that it is troublesome to connect the cable between com port of the PC and the specific device. So why not we construct a RC circuitry at both side? The circuitry should provide rx and tx function.